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Guava testlib is a set of java classes used for more convenient
unit testing - particularly to assist the tests for Guava itself.
/*
* Copyright (C) 2012 The Guava Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.common.collect.testing.google;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.testing.AbstractTester;
import com.google.common.collect.testing.FeatureSpecificTestSuiteBuilder;
import com.google.common.collect.testing.Helpers;
import com.google.common.collect.testing.ListTestSuiteBuilder;
import com.google.common.collect.testing.OneSizeTestContainerGenerator;
import com.google.common.collect.testing.TestListGenerator;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.Feature;
import com.google.common.collect.testing.features.ListFeature;
import java.util.Collections;
import java.util.EnumSet;
import java.util.List;
import java.util.Map.Entry;
import java.util.Set;
import junit.framework.TestSuite;
/**
* Creates, based on your criteria, a JUnit test suite that exhaustively tests a {@code
* ListMultimap} implementation.
*
* @author Louis Wasserman
*/
@GwtIncompatible
public class ListMultimapTestSuiteBuilder
extends MultimapTestSuiteBuilder> {
public static ListMultimapTestSuiteBuilder using(
TestListMultimapGenerator generator) {
ListMultimapTestSuiteBuilder result = new ListMultimapTestSuiteBuilder<>();
result.usingGenerator(generator);
return result;
}
@Override
protected List> getTesters() {
List> testers = Helpers.copyToList(super.getTesters());
testers.add(ListMultimapAsMapTester.class);
testers.add(ListMultimapEqualsTester.class);
testers.add(ListMultimapPutTester.class);
testers.add(ListMultimapPutAllTester.class);
testers.add(ListMultimapRemoveTester.class);
testers.add(ListMultimapReplaceValuesTester.class);
return testers;
}
@Override
TestSuite computeMultimapGetTestSuite(
FeatureSpecificTestSuiteBuilder<
?, ? extends OneSizeTestContainerGenerator, Entry>>
parentBuilder) {
return ListTestSuiteBuilder.using(
new MultimapGetGenerator(parentBuilder.getSubjectGenerator()))
.withFeatures(computeMultimapGetFeatures(parentBuilder.getFeatures()))
.named(parentBuilder.getName() + ".get[key]")
.suppressing(parentBuilder.getSuppressedTests())
.createTestSuite();
}
@Override
TestSuite computeMultimapAsMapGetTestSuite(
FeatureSpecificTestSuiteBuilder<
?, ? extends OneSizeTestContainerGenerator, Entry>>
parentBuilder) {
Set> features = computeMultimapAsMapGetFeatures(parentBuilder.getFeatures());
if (Collections.disjoint(features, EnumSet.allOf(CollectionSize.class))) {
return new TestSuite();
} else {
return ListTestSuiteBuilder.using(
new MultimapAsMapGetGenerator(parentBuilder.getSubjectGenerator()))
.withFeatures(features)
.named(parentBuilder.getName() + ".asMap[].get[key]")
.suppressing(parentBuilder.getSuppressedTests())
.createTestSuite();
}
}
@Override
Set> computeMultimapGetFeatures(Set> multimapFeatures) {
Set> derivedFeatures = super.computeMultimapGetFeatures(multimapFeatures);
if (derivedFeatures.contains(CollectionFeature.SUPPORTS_ADD)) {
derivedFeatures.add(ListFeature.SUPPORTS_ADD_WITH_INDEX);
}
if (derivedFeatures.contains(CollectionFeature.GENERAL_PURPOSE)) {
derivedFeatures.add(ListFeature.GENERAL_PURPOSE);
}
return derivedFeatures;
}
private static class MultimapGetGenerator
extends MultimapTestSuiteBuilder.MultimapGetGenerator>
implements TestListGenerator {
public MultimapGetGenerator(
OneSizeTestContainerGenerator, Entry> multimapGenerator) {
super(multimapGenerator);
}
@Override
public List create(Object... elements) {
return (List) super.create(elements);
}
}
private static class MultimapAsMapGetGenerator
extends MultimapTestSuiteBuilder.MultimapAsMapGetGenerator>
implements TestListGenerator {
public MultimapAsMapGetGenerator(
OneSizeTestContainerGenerator, Entry> multimapGenerator) {
super(multimapGenerator);
}
@Override
public List create(Object... elements) {
return (List) super.create(elements);
}
}
}